78

To convert from slope to percent grade, multiply the slope by a hundred.

78=78⋅100

Factor 4 out of 8.

74(2)⋅100%

Factor 4 out of 100.

74⋅2⋅4⋅25%

Cancel the common factor.

74⋅2⋅4⋅25%

Rewrite the expression.

72⋅25%

72⋅25%

Combine 72 and 25.

7⋅252%

Multiply 7 by 25.

1752%

Convert the Slope to Percent Grade 7/8